/*
 * Copyright 2012 The Netty Project
 *
 * The Netty Project licenses this file to you under the Apache License,
 * version 2.0 (the "License"); you may not use this file except in compliance
 * with the License. You may obtain a copy of the License at:
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations
 * under the License.
 */
package com.jsecode.net.tcp.client;

import java.util.concurrent.atomic.AtomicLong;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import com.jsecode.net.common.INetContext;
import com.lazy.lib.util.ByteUtil;

import io.netty.channel.ChannelHandler.Sharable;
import io.netty.channel.ChannelHandlerContext;
import io.netty.channel.SimpleChannelInboundHandler;

/**
 * Handles a client-side channel.
 */
@Sharable
public class TcpClientHandler extends SimpleChannelInboundHandler<byte[]> {
    private static final Logger logger = LoggerFactory.getLogger(TcpClientHandler.class);

    private static AtomicLong count = new AtomicLong();
    
    private INetContext netContext;
    
    public TcpClientHandler(INetContext netContext){
        this.netContext = netContext;
    }

    @Override
    protected void messageReceived(ChannelHandlerContext ctx, byte[] msg) {
        // System.err.println(msg);
        // logger.info("received: {}" , ByteUtil.formatHexStrOneLine(msg));
        if (count.addAndGet(1) %1000 == 0) {
            System.err.println("received num = " + count.get());
        }
        if (netContext != null && netContext.getListener() != null) {
            netContext.getListener().messageReceived(ctx.channel(), msg);
        }
    }

    @Override
    public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) {
        cause.printStackTrace();
        ctx.close();
    }
}
